CN210386764U

CN210386764U - Pressure-adjustable high-pressure cleaning machine

Info

Publication number: CN210386764U
Application number: CN201921479501.7U
Authority: CN
Inventors: 姚礼起
Original assignee: Zhejiang Gele Cleaning Equipment Co ltd
Current assignee: Zhejiang Gele Cleaning Equipment Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-04-24
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a pressure-adjustable high-pressure cleaning machine, which comprises a motor and a high-pressure pump, wherein the high-pressure pump is provided with an exhaust valve and a pressure regulating device which are fixed on the high-pressure pump; a water outlet is arranged below the exhaust valve, an overflow valve is arranged on one side of the water outlet, and a first hole for communicating a channel is arranged between the water outlet and the overflow valve; a microswitch box assembly is arranged on the other side of the overflow valve, and the overflow valve is inserted into the microswitch box assembly; by adding the exhaust valve, the self-water-sucking efficiency is accelerated, and the starting waiting time is reduced; through increasing pressure regulating device and closing the rifle and stopping the machine function, make the cleaning machine can satisfy all kinds of users' user demand, it is more convenient.

Description

Pressure-adjustable high-pressure cleaning machine

Technical Field

The utility model belongs to the high pressure cleaner field, specifically, the utility model relates to a but pressure regulating high pressure cleaner.

Background

The high-pressure cleaning machine is a machine for flushing the surface of an object by generating high pressure through a power device, but the existing high-pressure cleaning machine has the disadvantages of long waiting time for starting, incapability of adjusting the water pressure, single function and short service life.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims at overcoming above-mentioned shortcoming, through increasing discharge valve and regulator for the efficiency of self priming has reduced start latency, has satisfied the different demand of people, and it is more convenient to use.

(II) technical scheme

The utility model provides a technical scheme that above-mentioned problem adopted is: a pressure-adjustable high-pressure cleaning machine comprises a motor and a high-pressure pump, wherein an exhaust valve and a pressure regulating device are arranged on the high-pressure pump, and the exhaust valve and the pressure regulating device are fixed on the high-pressure pump; a water outlet is arranged below the exhaust valve, an overflow valve is arranged on one side of the water outlet, and a first hole for communicating a channel is arranged between the water outlet and the overflow valve; and a microswitch box assembly is arranged on the other side of the overflow valve, and the overflow valve is inserted into the microswitch box assembly.

In the technical scheme, a power supply is switched on, the motor starts to operate, water flow enters the high-pressure pump under the action of the motor, sequentially passes through the pressure regulating device and the exhaust valve, and is finally discharged from the water outlet; after the water outlet is closed, water flow enters the overflow valve, so that the microswitch is disconnected, and the system is stopped; the pressure regulating device meets different requirements of people by changing the pressure of water flow in the high-pressure pump body, and is more convenient to use.

Further, discharge valve includes that the discharge valve connects and is located inside discharge valve steel ball and the discharge valve spring of discharge valve joint, the one end of discharge valve spring links to each other with the top inner wall that the discharge valve connects, the below of discharge valve spring is provided with the sealing washer, the discharge valve steel ball is located the below of sealing washer.

Among the above-mentioned technical scheme, discharge valve connects and is provided with the opening, the inside cavity intercommunication that forms cavity and delivery port of discharge valve, when the machine begins the operation, rivers get into the high-pressure pump under the effect of motor, rivers extrude the air in the high-pressure pump body, make the air discharge through the opening part that the discharge valve connects from the side of discharge valve steel ball, treat that the air exhausts the back, along with hydraulic rising in the system, rivers produce the effect to the discharge valve steel ball, the discharge valve steel ball upward movement, with the sealing washer laminating, form sealedly.

Further, the pressure regulating device comprises a pressure regulating knob and a pressure regulating valve, and the pressure regulating knob is sleeved above the pressure regulating valve; the pressure regulating valve is characterized in that a pressure regulating valve spring is arranged above the inner part of the pressure regulating valve, a valve head is arranged at the bottom of the pressure regulating valve, a valve seat is arranged below the valve head, and a gap with an adjustable interval is formed between the valve head and the valve seat.

Further, a loop channel is arranged between a gap between the valve head and the valve seat and the water inlet one-way valve.

Further, the valve seat is fixed, and the position of the valve head is changed by adjusting the tightness degree of the pressure regulating valve spring, so that the distance between the valve head and the valve seat is adjusted.

Among the above-mentioned technical scheme, some rivers are discharged through the delivery port, another part rivers pass through pressure regulating valve, when high-pressure rivers pass through the air-vent valve, because of the pressure differential reason, rivers can flow to the low-pressure region below the disk seat through the clearance between valve head and the disk seat, make pressure lose partly, change the elasticity degree of air-vent valve spring through adjusting the pressure regulating button, change the clearance between valve head and the disk seat, the size that comes the control pressure loss, water yield and pressure when adjusting the play water with this, rivers through the air-vent valve become high-pressure rivers through intaking check valve, plunger and play water check valve, reciprocating cycle.

Further, the overflow valve comprises an overflow valve spring and an overflow valve ejector rod, a groove is formed in the end portion of the overflow valve ejector rod, and the overflow valve spring is clamped with the groove.

In the technical scheme, when water flows into the overflow valve, the pressure generated on the ejector rod of the overflow valve is greater than the elastic force of the spring of the overflow valve under the action of the pressure, so that the ejector rod of the pressure regulating valve moves towards the groove, and the circuit is disconnected.

Further, the micro-switch box assembly comprises a sliding block and a micro-switch, and the sliding block and the micro-switch are located on the same plane.

In the technical scheme, the sliding block is in contact with the microswitch, and the circuit is in a connection state.

Further, a main valve is arranged on the inner side of the water outlet.

Among the above-mentioned technical scheme, when the machine normally operated, closed the squirt, made the delivery port be in the closed condition, the one side that the delivery port was connected to the main valve formed high pressure district, and the main valve opposite side forms the low-pressure area, and high pressure district pressure is greater than low-pressure area pressure this moment, pushes away the main valve side, and the main valve pushes up on the terminal surface, forms the sealing area, prevents that the rivers from getting into the delivery port through the main valve.

Further, a plunger is provided inside the high-pressure pump.

In the technical scheme, when the power supply is switched on and the motor starts to operate, the plunger moves back and forth to generate suction force, so that water flow enters the high-pressure pump and is pressurized.

Further, one end of the plunger is provided with a water inlet one-way valve.

Among the above-mentioned technical scheme, rivers are in through the check valve entering high-pressure pump of intaking.

Furthermore, a water outlet one-way valve is arranged above the plunger.

In the technical scheme, water flow in the high-pressure pump is discharged through the water outlet one-way valve.

(III) advantageous effects

Compared with the prior art, the technical scheme of the utility model have following advantage: the pressure-adjustable high-pressure cleaning machine has the advantages that the structure is more compact, the integration level is higher, the self-water-absorption efficiency is accelerated by adding the exhaust valve, and the starting waiting time is reduced; through increasing pressure regulating device and closing the rifle and stopping the machine function, make the cleaning machine can satisfy all kinds of users' user demand, it is more convenient.

Drawings

Fig. 1 is an assembly view of a pressure-adjustable high-pressure washer according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of water entering a high pressure pump in accordance with an embodiment of the present invention;

FIG. 3 is a cross-sectional view of one side of a high pressure pump in accordance with an embodiment of the present invention;

FIG. 4 is a schematic structural view of the embodiment of the present invention in the gun-open state;

FIG. 5 is an enlarged view of the portion A of FIG. 4 according to the present invention;

FIG. 6 is a cross-sectional view of the embodiment of the present invention in the open state;

FIG. 7 is an enlarged view of a portion B of FIG. 6 according to the present invention;

FIG. 8 is a schematic structural view of a gun-closing state according to an embodiment of the present invention;

FIG. 9 is a cross-sectional view of the embodiment of the present invention in the gun-closing state;

fig. 10 is an enlarged view of a portion C of fig. 9 according to the present invention.

Wherein: the device comprises a motor 1, a high-pressure pump 2, a water outlet 3, an overflow valve 4, a microswitch box assembly 5, an exhaust valve steel ball 6, an exhaust valve joint 7, an exhaust valve spring 8, a pressure regulating knob 9, a pressure regulating valve 10, a pressure regulating valve spring 11, a valve head 12, a valve seat 13, an overflow valve spring 14, an overflow valve ejector rod 15, a groove 16, a slider 17, a microswitch 18, a master valve 19, a plunger 20, a water inlet one-way valve 21, a water outlet one-way valve 22, a first hole 23, a second hole 24, an exhaust valve 25 and a sealing ring 26.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

Examples

As shown in fig. 1-10, the pressure-adjustable high-pressure cleaning machine includes a motor 1 and a high-pressure pump 2, an exhaust valve 25 and a pressure-adjusting device are arranged on the high-pressure pump 2, and the exhaust valve 25 and the pressure-adjusting device are fixed on the high-pressure pump 2; a water outlet 3 is arranged below the exhaust valve 25, an overflow valve 4 is arranged on one side of the water outlet 3, a first hole 23 of a communication channel is arranged between the water outlet and the overflow valve, a micro switch box assembly 5 is arranged on the other side of the overflow valve 4, and the overflow valve 4 is inserted into the micro switch box assembly 5; different requirements of people are met by adding the exhaust valve 25 and the pressure regulating device, so that the use is more convenient; the exhaust valve 25 comprises an exhaust valve joint 7, and an exhaust valve steel ball 6 and an exhaust valve spring 8 which are positioned in the exhaust valve joint 7, wherein one end of the exhaust valve spring 8 is connected with the inner wall of the top end of the exhaust valve joint 7, a sealing ring 26 is arranged below the exhaust valve spring 8, and the exhaust valve steel ball 6 is positioned below the sealing ring 26; when the machine starts to operate, air is firstly exhausted, the air is exhausted from the side face of the exhaust valve steel ball 6 through the exhaust valve joint 7, after the air is exhausted, along with the rising of water pressure in the system, water flow exerts force on the exhaust valve steel ball 6, and the exhaust valve steel ball 6 moves upwards to be attached to the sealing ring 26 to form sealing. The pressure regulating device comprises a pressure regulating knob 9 and a pressure regulating valve 10, and the pressure regulating knob 9 is sleeved above the pressure regulating valve 10; a pressure regulating valve spring 11 is arranged above the inside of the pressure regulating valve 10, a valve head 12 is arranged at the bottom of the pressure regulating valve 10, a valve seat 13 is arranged below the valve head 12, and a gap with adjustable distance is formed between the valve head 12 and the valve seat 13; a loop channel is arranged between a gap between the valve head 12 and the valve seat 13 and the water inlet check valve 21; the valve seat 13 is fixedly arranged, and the position of the valve head 12 is changed by adjusting the tightness degree of the pressure regulating valve spring 11, so that the size of the gap between the valve head 12 and the valve seat 13 is adjusted; when high-pressure water flows through the pressure regulating valve 10, the water flows to a low-pressure area through a gap between the valve head 12 and the valve seat 13 due to pressure difference, so that part of pressure is lost, the tightness degree of the spring 11 of the pressure regulating valve is changed by adjusting the pressure regulating knob 9, the gap between the valve head 12 and the valve seat 13 is changed, so that the pressure loss is controlled, the water quantity and the pressure during water outlet are regulated, and the water flow passing through the pressure regulating valve 10 is changed into high-pressure water flow through the water inlet check valve 21, the plunger 20 and the water outlet check valve 22 and circulates in a reciprocating mode; the overflow valve 4 comprises an overflow valve spring 14 and an overflow valve mandril 15, a groove 16 is arranged at the end part of the overflow valve mandril 15, and the overflow valve spring 14 is clamped with the groove 16; when water flow in the high-pressure area flows into the overflow valve 4, under the action of pressure, the pressure generated on the overflow valve mandril 15 is greater than the elastic force of the overflow valve spring 14, so that the pressure regulating valve mandril 15 moves towards the groove 16; the micro-switch box assembly 5 comprises a sliding block 17 and a micro-switch 18, wherein the sliding block 17 and the micro-switch 18 are positioned on the same plane; the slide block 17 is contacted with the microswitch 18, and the circuit is in a connection state; a main valve 19 is arranged on the inner side of the water outlet 3; when the machine normally operates, the water gun is closed to enable the water outlet 3 to be in a closed state, one side of the main valve 19, which is connected with the water outlet 3, forms a high-pressure area, the other side of the main valve 19 forms a low-pressure area, the pressure of the high-pressure area is greater than that of the low-pressure area, the main valve 19 is pushed laterally, the main valve 19 is pushed to the end face, a sealing area is formed, and water flow is prevented from entering the water outlet 3 through the main valve 19; a plunger 20 is arranged in the high-pressure pump 2, when the power supply motor 1 is switched on to start running, the plunger 20 moves back and forth to generate suction force, so that water flow enters the high-pressure pump 2 and is pressurized; one end of the plunger 20 is provided with a water inlet one-way valve 21, and water flow enters the high-pressure pump 2 through the water inlet one-way valve 21; a water outlet one-way valve 22 is arranged above the plunger 20, and water in the high-pressure pump 2 is discharged through the water outlet one-way valve 22.

As shown in fig. 2, when the power is turned on, the motor 1 starts to operate, the plunger 20 moves back and forth to generate suction force, so that water flows into the high pressure pump 2 through the water inlet check valve 21, is pressurized, and is discharged through the water outlet check valve 22.

As shown in fig. 3, when the machine starts to operate, air is firstly exhausted, the air is exhausted from the side surface of the exhaust valve steel ball 6 through the exhaust valve 25, after the air is exhausted, along with the rise of water pressure in the system, water flow exerts force on the exhaust valve steel ball 6, and the exhaust valve steel ball 6 moves upwards to be attached to the sealing ring 26 to form a sealing area.

As shown in fig. 4 and 5, a part of the water flow is discharged through the water outlet 3, another part of the water flow passes through the pressure regulating valve 10, when the high pressure water flow passes through the pressure regulating valve 10, the water flow will flow to the low pressure area below the valve seat 13 through the gap between the valve head 12 and the valve seat 13 due to the pressure difference, so that a part of the pressure is lost, the degree of tightness of the pressure regulating valve 10 is adjusted, the gap between the valve head 12 and the valve seat 13 is adjusted to control the magnitude of the pressure loss, the water flow and the pressure at the time of water outlet are adjusted in this way, and the water flow passing through the pressure regulating valve 10 is changed into the high pressure water flow through the water inlet check valve 21, the plunger 20 and the.

As shown in fig. 6 and 7, the lower overflow valve ejector rod 15 in the normal state is ejected downwards under the action of the overflow valve spring 14, contacts the slider 17, and triggers the micro switch 18, and the circuit is in a connection state.

As shown in fig. 8, at this time, a high pressure region is formed at the water outlet 3, water in the high pressure region flows into the pressure regulating valve 10 through the second hole 24, the water pressure in the high pressure region is greater than the pressure of the pressure regulating valve spring 11, so that the pressure regulating valve 10 moves upward, the gap between the valve head 12 and the valve seat 13 is increased, the water flows with normal pressure in the low pressure region and the normal pressure in the normal pressure water flow region are merged, the pressure in the low pressure region is lower, and the pressure difference between the low pressure region and the high pressure region is increased, so that the sealing of the main valve.

As shown in fig. 9 and 10, when the machine is in normal operation, the water gun is closed, so that the water outlet 3 is in a closed state, one side of the main valve 19, which is connected with the water outlet 3, forms a high pressure area, the other side of the main valve 19 forms a low pressure area, the pressure of the high pressure area is greater than that of the low pressure area, the main valve 19 is pushed laterally, the main valve 19 is pushed onto the end surface, a sealing area is formed, and water flow is prevented from entering the water outlet 3 through the main valve 19; meanwhile, water flow in a high-pressure area flows into the overflow valve 4 through the first hole 23, under the action of pressure, the pressure generated on the overflow valve ejector rod 15 is greater than the force of the overflow valve spring 14, so that the pressure regulating valve ejector rod 15 moves towards the groove 16, the contact between the overflow valve ejector rod 15 and the sliding block 17 is broken, the sliding block 17 rebounds, the contact with the microswitch 18 is broken, the circuit is disconnected, and the system is stopped.

The pressure-adjustable high-pressure cleaning machine has the advantages that the structure is more compact, the integration level is higher, the self-water-absorption efficiency is accelerated by adding the exhaust valve 25, and the starting waiting time is reduced; through increasing pressure regulating device and closing the rifle and stopping the machine function, make the cleaning machine can satisfy all kinds of users' user demand, it is more convenient.

As described above, the above embodiments are not limiting embodiments of the present invention, and modifications or equivalent variations made by those skilled in the art based on the substance of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a pressure adjustable high pressure cleaner, includes motor (1) and high-pressure pump (2), its characterized in that: the high-pressure pump (2) is provided with an exhaust valve (25) and a pressure regulating device, and the exhaust valve (25) and the pressure regulating device are fixed on the high-pressure pump (2); a water outlet (3) is arranged below the exhaust valve (25), an overflow valve (4) is arranged on one side of the water outlet (3), and a first communicating channel hole (23) is arranged between the water outlet (3) and the overflow valve (4); and a microswitch box assembly (5) is arranged on the other side of the overflow valve (4), and the overflow valve (4) is inserted into the microswitch box assembly (5).

2. A pressure regulated high pressure cleaner according to claim 1 wherein: discharge valve (25) include discharge valve joint (7) and be located inside discharge valve steel ball (6) and the discharge valve spring (8) of discharge valve joint (7), the one end of discharge valve spring (8) links to each other with the top inner wall that discharge valve connects (7), the below of discharge valve spring (8) is provided with sealing washer (26), discharge valve steel ball (6) are located the below of sealing washer (26).

3. A pressure regulated high pressure cleaner according to claim 1 wherein: the pressure regulating device comprises a pressure regulating knob (9) and a pressure regulating valve (10), and the pressure regulating knob (9) is sleeved above the pressure regulating valve (10); a pressure regulating valve spring (11) is arranged above the inner portion of the pressure regulating valve (10), a valve head (12) is arranged at the bottom of the pressure regulating valve spring, a valve seat (13) is arranged below the valve head (12), and a gap with an adjustable distance is formed between the valve head (12) and the valve seat (13).

4. A pressure regulated high pressure cleaner according to claim 1 wherein: the overflow valve (4) comprises an overflow valve spring (14) and an overflow valve ejector rod (15), a groove (16) is formed in the end of the overflow valve ejector rod (15), and the overflow valve spring (14) is clamped with the groove (16).

5. A pressure regulated high pressure cleaner according to claim 1 wherein: the micro-switch box assembly (5) comprises a sliding block (17) and a micro-switch (18), and the sliding block (17) and the micro-switch (18) are located on the same plane.

6. A pressure regulated high pressure cleaner according to claim 1 wherein: a main valve (19) is arranged on the inner side of the water outlet (3).

7. A pressure regulated high pressure cleaner according to claim 1 wherein: a plunger (20) is arranged inside the high-pressure pump (2).

8. A pressure regulated high pressure cleaner according to claim 7 wherein: one end of the plunger (20) is provided with a water inlet one-way valve (21).

9. A pressure regulated high pressure cleaner according to claim 7 wherein: and a water outlet one-way valve (22) is arranged above the plunger (20).